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I have a Bs 12.5 lawn mower it will only start with the aid of starting fluid checked fuel filter and cleaned carb?

Troubleshooting a Briggs & Stratton 12.5 HP Lawn Mower Starting Issue

Step-by-Step Procedure

1. Fuel System Check:

- Ensure that the fuel tank has sufficient fresh gasoline and that the fuel line is properly connected.

- Disconnect the fuel line from the carburetor and check the flow of fuel. It should be steady and should not be restricted.

2. Air Filter Inspection:

- Remove the air filter and check its condition. If it is dirty, replace it with a new one.

- Ensure the air filter is seated correctly and the air intake is clear of any obstructions.

3. Spark Plug Inspection:

- Remove the spark plug and check its condition. If it is fouled, clean or replace it with a new spark plug.

- Make sure the spark plug is properly gapped according to the manufacturer's recommendations.

4. Ignition System Check:

- Confirm the spark plug wire is connected securely to the spark plug and the ignition coil.

- Check for any loose or disconnected wires related to the ignition system.

5. Carburetor Adjustment:

- Inspect the carburetor for any visible issues such as leaks or damage to linkages or components.

- Check the choke, throttle, and fuel mixture settings on the carburetor and make sure they are set correctly.

Additional Tips:

1. Use Fresh Fuel:

- Always use fresh gasoline in your lawn mower. Avoid using old or stale fuel, as it can cause engine problems and make it difficult to start.

2. Fuel Filter Replacement:

- Replace the fuel filter if the fuel flow is restricted or if the mower still struggles to start after the above checks.

3. Starter Maintenance:

- If the mower has an electric starter, ensure the battery is properly charged and the starter motor engages when you turn the key.

4. Professional Assistance:

- If the issue persists after trying the suggested troubleshooting steps, it is recommended to seek assistance from a qualified small engine mechanic or service center.

Safety Precautions:

- Always disconnect the spark plug wire before performing any maintenance work.

- Handle fuel with caution and avoid contact with eyes or skin.

- Read and follow the safety guidelines provided in the lawn mower's user manual.